Home / 211,081.23-291,292.47-114,286.05

Finding the Fourth Proportional to 211,081.23, 291,292.47 and 114,286.05

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Solution

The fourth proportional to 211,081.23, 291,292.47 and 114,286.05 is: 157,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,081.23 : 291,292.47 = 114,286.05 : x
  2. Step 2: Convert to fraction form
    211,081.23/291,292.47 = 114,286.05/x
  3. Step 3: Cross multiply
    211,081.23x = 291,292.47 × 114,286.05
  4. Step 4: Simplify right side
    211,081.23x = 33,290,665,791.04
  5. Step 5: Solve for x
    x = 33,290,665,791.04/211,081.23
  6. Step 6: Final answer
    x = 157,714.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.